Unverified50% confidenceFactExact time
The model has no memory between messages; each time a message is sent, the application resends the entire conversation (system instructions, conversation history, and the new message) to the model, and this package is called the context window, which has a size limit.
1
Sources
50%
Confidence
Long-term
Relevance
10/23/2026
First Seen
Sources
How ChatGPT and AI Agents Actually Work: A No-Math Breakdown of the Core Mechanics
youtubeAI Words Explained10/23/2026
Related Entities
Related Claims
UnverifiedThe compact command makes an additional call to the model to merge and compress conversation messages, retaining only content relevant to the current session in order to free up context.79% similarUnverifiedMulti-turn conversation models accept a `messages` array containing a list of historical messages, with full context carried in each request; some specialized models' APIs only accept a single `prompt` input and do not process historical context.75% similarUnverifiedA chat application can "remember" historical conversations because the backend database stores every message and sends the entire history together with the new message to the model on each new request; the model itself does not retain any state across calls.75% similarUnverifiedThe context sent with each model call typically includes the system prompt, the tool definition list, memories and files, and the full conversation record.75% similarVerifiedIn multi-turn conversations, the System message sets the behavioral tone and constraints, the user message represents user input, and the assistant message is the model's historical replies.75% similar
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